Valgrind cleanliness, part 3: Delete elements accessors on exit.

src/elements.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 113 matching lines @@
 
   // Returns a shared ElementsAccessor for the specified ElementsKind.
   static ElementsAccessor* ForKind(ElementsKind elements_kind) {
     ASSERT(elements_kind < kElementsKindCount);
     return elements_accessors_[elements_kind];
   }
 
   static ElementsAccessor* ForArray(FixedArrayBase* array);
 
   static void InitializeOncePerProcess();
+  static void TearDown();
 
  protected:
   friend class NonStrictArgumentsElementsAccessor;
 
   virtual uint32_t GetCapacity(FixedArrayBase* backing_store) = 0;
 
   // Element handlers distinguish between indexes and keys when they manipulate
   // elements.  Indexes refer to elements in terms of their location in the
   // underlying storage's backing store representation, and are between 0 and
   // GetCapacity.  Keys refer to elements in terms of the value that would be
@@ skipping 17 matching lines @@
                                 uint32_t from_start,
                                 FixedArray* to_obj,
                                 ElementsKind to_kind,
                                 uint32_t to_start,
                                 int copy_size);
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ELEMENTS_H_